-9.18% is the change from 969 to 880
Calculation steps:
[( 880 - 969 ) ÷ 969] x 100 = -9.18%
Formula
Percentage change = [(880 - 969) / 969] x 100
Subtract the new number by the original number
880 - 969 = -89
-89 ÷ 969 = -0.09184726522187822
-0.09184726522187822 x 100 = -9.18%